289164879

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{1559}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 430017120

約数和(自身を除く): 140852241

約数列:

[1, 3, 9, 37, 111, 333, 557, 1559, 1671, 4677, 5013, 14031, 20609, 57683, 61827, 173049, 185481, 519147, 868363, 2605089, 7815267, 32129431, 96388293, 289164879]

約数ペア:

[(1, 289164879), (3, 96388293), (9, 32129431), (37, 7815267), (111, 2605089), (333, 868363), (557, 519147), (1559, 185481), (1671, 173049), (4677, 61827), (5013, 57683), (14031, 20609)]